package jdbc;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

public class JDBCDemo7 {
    public static void main(String[] args) {
        try (Connection connection = DBUtil.getConnection()){
            Statement statement = connection.createStatement();
            String sql = "SELECT s.name,s.gender,s.age,s.job,c.name,c.floor\n" +
                    "FROM student s\n" +
                    "JOIN class c ON s.class_id = c.id\n" +
                    "WHERE c.name = '1年级1班';";
            ResultSet rs = statement.executeQuery(sql);
            while (rs.next()) {
                String sName = rs.getString("s.name");
                String gender = rs.getString("s.gender");
                int age = rs.getInt("s.age");
                String job = rs.getString("s.job");
                String cName = rs.getString("c.name");
                String floor = rs.getString("c.floor");
                System.out.println(sName + "--" + gender + "--" + age + "--" + job + "--" + cName + "--" + floor);
            }
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}
